Remove some dead code from rendering/ folder

Source/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 1314 matching lines @@
         screenArea = viewBounds;
         screenArea.intersect(objectBounds);
     }
 
     for (Vector<ImageResource*>::iterator it = images.begin(), end = images.end(); it != end; ++it)
         ResourceLoadPriorityOptimizer::resourceLoadPriorityOptimizer()->notifyImageResourceVisibility(*it, status, screenArea);
 
     return true;
 }
 
-LayoutSize RenderBlock::logicalOffsetFromShapeAncestorContainer(const RenderBlock* container) const
-{
-    const RenderBlock* currentBlock = this;
-    LayoutRect blockRect(currentBlock->borderBoxRect());
-    while (currentBlock && !currentBlock->isRenderFlowThread() && currentBlock != container) {
-        RenderBlock* containerBlock = currentBlock->containingBlock();
-        ASSERT(containerBlock);
-        if (!containerBlock)
-            return LayoutSize();
-
-        if (containerBlock->style()->writingMode() != currentBlock->style()->writingMode()) {
-            // We have to put the block rect in container coordinates
-            // and we have to take into account both the container and current block flipping modes
-            // Bug: Flipping inline and block directions at the same time will not work,
-            // as one of the flipped dimensions will not yet have been set to its final size
-            if (containerBlock->style()->isFlippedBlocksWritingMode()) {
-                if (containerBlock->isHorizontalWritingMode())
-                    blockRect.setY(currentBlock->height() - blockRect.maxY());
-                else
-                    blockRect.setX(currentBlock->width() - blockRect.maxX());
-            }
-            currentBlock->flipForWritingMode(blockRect);
-        }
-
-        blockRect.moveBy(currentBlock->location());
-        currentBlock = containerBlock;
-    }
-
-    LayoutSize result = isHorizontalWritingMode() ? LayoutSize(blockRect.x(), blockRect.y()) : LayoutSize(blockRect.y(), blockRect.x());
-    return result;
-}
-
 void RenderBlock::computeRegionRangeForBlock(RenderFlowThread* flowThread)
 {
     if (flowThread)
         flowThread->setRegionRangeForBox(this, offsetFromLogicalTopOfFirstPage());
 }
 
 bool RenderBlock::updateLogicalWidthAndColumnWidth()
 {
     LayoutUnit oldWidth = logicalWidth();
     LayoutUnit oldColumnWidth = desiredColumnWidth();
@@ skipping 3522 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace WebCore